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Privacy Statement CrowdSense B.V.

Who are we?

CrowdSense B.V. is a Dutch company headquartered in The Hague. CrowdSense B.V. offers a technology called PublicSonar that allows customers to execute search queries on open data.


This privacy statement is applicable to the website at (website), the PublicSonar Platform (PublicSonar), and our mobile application (mobile application).

Disclosure with third parties

CrowdSense B.V. does not disclose personal data to third parties. Disclosure is only done to execute the agreement with our customers or to comply with legal obligations.

Security and storage

CrowdSense B.V. highly values the protection of data and takes appropriate measures to prevent misuse, loss, unauthorized access, unwanted disclosure and unauthorized modification. To monitor this, CrowdSense B.V. has appointed a Data Protection Officer. Data is stored for as long as it legitimately serves the purposes for which it was collected.

For CrowdSense B.V., the processing of data on behalf of whomever, is bound by rules. We comply with the applicable privacy legislation (GDPR) and other guidelines, work in accordance with the ISO 27001 standard for information security and have taken the appropriate measures.

If you have any questions about how we process and secure your data, our Data Protection Officer will gladly assist you. You can contact us at

CrowdSense B.V. does not use any form of automated decision making by means of profiling, in the processing of personal data.

Privacy Statement Website

Type of (personal) data

CrowdSense B.V. does everything possible to protect your privacy. We comply with the General Data Protection Regulation (GDPR). When visiting our website, CrowdSense B.V. processes personal data, including location data, internet browser, device type, activity data on our website, IP address. If a visitor chooses to fill in the contact form, we will have access to additional personal information such as name, phone number, email address, organization and other information that is actively provided.

Purpose of data processing website

CrowdSense B.V. processes your personal data and behaviour on our website in order to improve our website. If you fill out a contact form, CrowdSense B.V. asks for personal data to assist you in the best possible way. This personal data is only used for the purpose for which you provided the information. For additional website security, IP addresses are stored temporarily, which are automatically deleted after one month.

Website cookies

CrowdSense B.V. uses technical, functional and analytical cookies. These cookies are necessary for the technical operation and usability of the website. You can disable cookies by setting your browser to no longer save cookies. In addition, you can also delete all information previously saved through your browser settings. For the use of analytical cookies, a processing agreement has been closed with Google. Read more about Google Analytics.

View, edit, or delete data

You have the right to view, correct or delete personal information that has been collected via the website. At the same time, you have the right to withdraw the consent given for the processing of your personal data. You can send a request for inspection, correction or removal to

Additionally, there is the possibility to file a complaint to the Dutch Data Protection Authority. More information can be found on the website of the Dutch Data Protection Authority.

Privacy Statement PublicSonar

Data processing on behalf of our customer

On behalf of our customers, the following processing activities of data from social media platforms and other open data are carried out using PublicSonar: collecting, organizing, structuring, storing, supplementing, consulting, using, combining, blocking and destroying. We do this by conducting search queries formulated by our customers. In this role, CrowdSense B.V. does not process any other data than requested by our customers.

When carrying out the processing activities, no new personal data is generated by CrowdSense B.V. at any time.

Our customers determine which data is being processed and how they use this data. Together with our customers, we ensure that the data is used in a way that fits within the framework of the applicable legislation and other directives, including those of the social media platforms. In the context of the European privacy legislation (GDPR), our customers fulfill the role of ‘Controller’ and CrowdSense B.V. the role of ‘Processor’ of (personal) data.

CrowdSense and Customers agree to enter into a Data Processing Addendum (“DPA”), which shall apply to the processing on behalf of Customer by CrowdSense of all Third Party Content that is personal data.
The DPA can be viewed here and is deemed to be incorporated by reference into the Service Subscription Agreement unless it is replaced by another valid Processing Agreement from the Customer.

Type of (personal) data

Through the PublicSonar platform, customers can customers can collect, filter and process open social media platforms (such as Twitter, Facebook, …) and other open data sources (blogs, forums, news sites, …), which are not managed by CrowdSense B.V.

Our customers, or in cases as referred to above ourselves, solely process open data through PublicSonar that is publicly available to everyone. In many cases, this user generated content (messages, comments, pages, link to images, usernames and shared locations) contains personal data as intended by law. CrowdSense B.V. does not process data from open data sources belonging to the profile and the bio of users or data related to followers or those that are followed.

Special personal data

CrowdSense B.V. does not collect special personal data that has not been made public by those involved. Since our customers only monitor open data sources through PublicSonar, any processed special personal data have been made public by those involved.

Purpose of data processing

Our customers make explicit agreements with CrowdSense B.V. about the purpose of the data processing. The purpose of the data processing is laid down in the contracts and processing agreements that our customers conclude with us. Our customers come from a variety of sectors, including public services, crisis management, public safety and traffic management. Among other things, they use PublicSonar for their public-law duties to improve services to citizens and customers.

CrowdSense B.V. does not process personal data for any purpose other than determined by our customers. This is the main objective, also in those cases where CrowdSense B.V. acts as the Controller.

PublicSonar user data

To use PublicSonar, CrowdSense B.V. stores personal information from its users, including names, email addresses and phone numbers. This data is required to provide the PublicSonar functionality.


Privacy Statement Mobile Application

Type of (personal) data

Your employer may provide you with the opportunity to use the PublicSonar mobile application. In order for you to actually make use of the PublicSonar mobile application, we store personal data such as your first name, last name and email address. This data is required to enable core functionalities such as user authentication and remembering user preferences.

The mobile application does not use cookies, nor does it require sensitive access to the mobile device. By installing and using the mobile application, you accept the use of your personal information in accordance to the Privacy Statement CrowdSense B.V.

Contact with CrowdSense B.V.

We can imagine that you might have questions or requests regarding the processing of personal data. If we can answer or handle them ourselves, we will do so. If we believe that our customer must answer your question or is able to assist you further, we will put you in touch with the right person.

If you have any questions or requests, please contact us at

The Hague, February 2024